Green Walls and Roofs Online Course

Green Walls Design Course Online
Full Fee $595.00 incl GST - Best Value!
Payment Plan $800.00 incl GST
Duration 100 hrs (12 months)
Exam Optional
Tutor Support Yes unlimited by email
Qualification Certificate

Why study this Green Walls and Roofs course?

Learn how to grow the wall and roof gardens you have always dreamed of with Careerline’s online Green Walls and Roofs course. Designed as an introduction to vertical gardening, you will learn the basics of planning, constructing, planting, and maintaining small- and large-scale wall and roof gardens. Whether you are a design or landscaping professional or an ambitious home gardener, this course will help you achieve your gardening goals.

Whether you hope to upskill, become a more skilled hobbyist, or get a head start on future studies, studying with Careerline will have a positive impact on your future. This beginner-level course will help you improve your knowledge of designing, planting, and maintaining wall or roof gardens. Your new skills will ensure you are prepared and knowledgeable as you start planting.

What will you learn?

The online Green Walls and Roofs course will provide an overview of vertical gardening, providing you with the skills and expertise to design your own. You will learn how to design and construct a sturdy and functional vertical or roof garden. Further, you will develop knowledge of the plants that grow best in wall and roof gardens, including climbing plants and other hardy plants. Building on this knowledge, you will learn about the process of cultivating adapted plants that will thrive in vertical and roof gardens.

In this course, you will be introduced to container growing, and learn effective methods of growing plants in containers such as baskets, window boxes, epiphyte plaques, and raised beds. In addition, you will gain skills in maintaining green walls and roofs by managing water levels, light, shade, humidity, and pests. Finally, you will study the art of landscaping both roof and vertical wall gardens for both aesthetics and functionality.

Who is this online Green Walls and Roofs course for?

Careerline’s Green Walls and Roofs course is ideal for both amateur and professional gardeners. Home gardeners of all experience levels, as well as professional gardeners, landscapers, and design professionals who would like to upskill, will benefit from studying this course. You will be able to apply the skills you learn in this course to your professional life, helping you to broaden your skillset and advance in your career.

This online vertical gardening course is also designed for anyone interested in pursuing further study in landscaping, garden design, sustainability, engineering, or horticulture.

Course Aims:

  • Discuss the nature and scope of vertical gardens and roof gardens in horticulture today.
  • Explain engineering considerations involved with the building of vertical and roof gardens, both on small and large scale projects.
  • Select appropriate materials and plan the way in which the non living components of the garden is created, in order to achieve an appropriate and sustainable installation.
  • Select appropriate climbing plants for creating vertical or roof gardens, and determine appropriate strategies to cultivate those plants, in a variety if different situations.
  • Select appropriate plants for use in vertical or roof gardens, which are tolerant of the adverse growing conditions, having natural adaptations to growing under conditions that are encountered in these gardens.
  • Select and plan the cultivation of plants that lack natural adaptations to growing on roofs or vertical gardens; but which are none the less required to grow in these adverse conditions;
  • Explain a range of container growing techniques, in a range of different roof and vertical gardens, that may be used with a selection of different types of plants.
  • Identify and evaluate problems with vertical and roof gardens, and compare options for solving those problems
  • Plan the development of roof gardens for both small and large scale applications.
  • Plan the development of vertical gardens for both small and large scale applications.


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    Detailed Course Outline

    This course is made up of a number of lessons or units.  Each of these has self assessment questions, a set task (practical homework) and an assignment which you can upload online.  Click below to read about each of the lessons and what you will learn.


    There are 9 Lessons in this course:

    Scope and Nature of Roof and Vertical Gardens

    • Introduction to vertical gardens and roof gardens in horticulture today
    • Reasons for Green Walls and Roof Gardens
    • Accessibility and Safety
    • What Is A Roof Garden?
    • Terminology
    • What Is A Vertical Garden?
    • Pruning Prevents Problems
    • Decorative Plant Supports
    • Temporary Props
    • Types of Installations for Roof Gardens
    • Types of Vertical Gardens
    • Proprietory Products
    • Plant Selection
    • Retrofitting a Building

    Construction of Functional and Appropriate Vertical and Roof Gardens

    • Engineering considerations involved with the building of vertical and roof gardens
    • Selecting appropriate materials and planning the way in which the non-living components of the garden are created
    • Building a Green Roof
    • Building a Green Wall
    • Dealing with Weight
    • Construction Materials
    • Durability of Materials
    • Dealing with Water
    • Plants Which Cause Damage
    • Components of a Green Roof
    • Roof Membranes
    • Protection Material Components

    Climbing Plants and Structures for Climbing

      • Learn how to select appropriate climbing plants for creating vertical or roof gardens
      • Determine strategies to cultivate climbing plants in a variety of different situations
      • Climbing adaptations found in plants
      • Possible Climbers for Vertical Green Walls and Some Types of Green Roofs
      • What Structural Requirements Do Climbers Require?
      • Plants on Fences
      • Using Trellis in Roof Gardens and on Green walls

    Plants Suited to Roof and Vertical Gardens

    • Selecting appropriate plants which are tolerant of the adverse growing conditions and have natural adaptations to growing under conditions that are encountered in these gardens
    • Possible Plants Suitable for Roof Gardens and Some Types of Vertical Walls
    • Epiphytes
    • Succulents
    • Plants
    • Hardy Groundcovers

    Adaptations for Other Plants in Roof and Vertical Gardens

    • Select and plan the cultivation of plants that lack natural adaptations to growing on roofs or vertical gardens
    • Espaliers
    • Growing Standards
    • Dwarfing Rootstocks
    • NFT Systems
    • Trees and Shrubs
    • Low-Growing Australian Native Shrubs
    • Other Low-Growing Shrubs
    • Vegetables and Fruits
    • Herbs
    • Annuals
    • Bulbs

    Container Growing

      • Container Growing Techniques
      • Containers
      • Raised Beds for Flat Roofs
      • Window Boxes
      • Epiphyte Plaques
      • Baskets
      • The Growing Media
      • Choosing Plants
      • Longevity of Container Plants

    Maintenance – watering, pest control

    • Out of Site/Out of Mind
    • Humidity
    • Light And Shade
    • Mulch
    • Pot Surfaces
    • Water Savers
    • Irrigation Requirements
    • Maintaining Appropriate Water Levels

    Landscaping – Roof Gardens

    • The different types of roof gardens
    • Characteristics advantageous in roof garden plants
    • Tips for Functional Roof Gardens
    • How to Minimize Damage to Your Plants When You Move them
    • Thoughts on Balcony Gardens
    • Irrigation

    Landscaping – Vertical Gardens

      • Types of Green Walls
      • Types of Walls
      • Design Considerations
      • Aesthetics
      • Functionality

    When you have completed the lessons of your Certificate course, you will be given the option of taking the optional exam. It's okay if you don't want the exam, we still issue your Careerline Certificate. For Advanced Certificates however, the exam is compulsory (per module) and are included in the course fee.

    Course Tutor(s)

    Barbara Tremain BSc. (Hons) Horticulture, RHS Adv. Cert,. RHS General, City & Guilds Garden Design, Permaculture Level 3 (UK)

    Barbara brings to Careerline a wide range of horticultural experience and knowledge Barbara has a keen interest in herbalism, edible wild plants and has lead into studies of many plant based complementary medicinal systems, qualification as a Bach Flower remedy practitioner and studying Ethnobotany. Barbara has practiced and studied horticulture as well as combining it with her love of travel in many countries including the UK, US and Australia and has also studied Permaculture and runs her own horticulture business. Within the past two years she have also worked for Groundwork SW with 18-24 year old unemployed people, this work and the mentoring scheme has allowed me to teach informally. It has been a delight to nurture the interests of keen learners in horticulture and garden design. Meanwhile the business has covered a variety of Garden Design projects, from wildflower gardens to seaside situations, and has included some work with Chelsea Gold multi-winner John Moreland.

    Frequently Asked Questions

    Can I pay in installments?

    Yes! We offer great payment plans, however full payment up front is the cheapest. You can choose the best payment plan for you from the course page, or call us on 07 55368782 to talk to one of our course consultants for a custom plan.

    Can I study from anywhere in the world?

    We have many international students. Careerline's range of courses are suitable for any one, anywhere in the world.

    Do I get a discount if I enroll in a second course?

    Yes. You may claim a 5% fee discount when you enroll in a second course, and a further 10% off a three-course package.


    Do I have to sit an Exam?

    No. If you are enrolled in a Certificate course (100hrs), the exam is optional. You will be issued with a certificate which proves that you are competent in all units, if you choose not to sit the exam.

    Do you have set start dates?

    There are no set start dates, you may start at any time. Our courses are all self-paced. As our home page says, ‘Courses for Anyone, Anywhere, Anytime’. ‘Anytime’ includes the start time of your choice. However, we do encourage our students to submit assignments on a regular basis. Wherever possible, we suggest developing a study routine.